Non-negative pressure mute water supply device

Abstract

The utility model provides a non-negative pressure silent water supply device, which relates to the field of water supply devices and comprises a base, a water supply device and a water supply main pipeline communicated with the water supply device, the water supply device is mounted at the top of the base, and the outer surface of the water supply main pipeline is integrally communicated with a water supply branch pipeline. The other ends of the water supply main pipeline and the water supply branch pipe are jointly communicated with a water supply pipe, the water supply branch pipe and the water supply main pipeline are respectively connected with two three-way pipes with the same structure through flanges, control valves are arranged at two ends of the water supply main pipeline and the water supply branch pipe, and the control valve on the surface of the water supply main pipeline is closed. Water flow flows into the water supply pipe through the water supply branch pipe, the control valve on the surface of the water supply branch pipe is closed, the water flow flows into the water supply pipe through the water supply main pipe, when one pipeline is blocked or needs to be cleaned, the control valve on the pipeline is closed for overhauling, and the whole equipment does not need to be stopped. And the problem of influence on normal water supply is further avoided.

Description

Technical Field

[0001] The utility model relates to the field of water supply devices, in particular to a negative pressure-free silent water supply device. Background Art

[0002] The non-negative pressure water supply equipment is a pressurized water supply unit, which is directly connected to the municipal water supply network, and is connected in series with the municipal water supply network to supply water based on the residual pressure of the municipal network to ensure that the municipal network pressure is not less than the set protection pressure (the set pressure must be higher than the pressure requirement of the community direct supply area, generally not less than 1.2Kg). The core of the network superposition (non-negative pressure) water supply equipment is how to prevent the generation of negative pressure during the operation of the secondary pressurized water supply system, eliminate the impact of the unit operation on the municipal network, and achieve safe, reliable, and stable water supply without affecting the water use of nearby users. When the municipal network supplies water, the water needs to be stored in a water storage tank, and then supplied to the outside through the water storage tank.

[0003] The existing CN211714103U discloses an ultra-quiet non-negative pressure variable frequency water supply device, comprising a water storage tank, the top and bottom of the water storage tank are respectively provided with a water inlet and a water outlet, the front end surface of the water storage tank is provided with a variable frequency controller, the upper end surface of the water storage tank is provided with a liquid level sensor, the air inlet of the water storage tank is connected to an air storage box through an air inlet pipe, the upper end surface of the air storage box is provided with an air pump, and the air outlet of the air pump is connected to an air supply pipe;

[0004] However, when the above device is in use, a lot of solid impurities, particles, etc. will be trapped in the activated carbon filter element. After accumulating for a certain period of time, it is easy to cause blockage. When repairing, it is necessary to disassemble the shell and clean the inner cavity. This requires stopping the water supply transportation pipeline, resulting in increased time costs. Sometimes the staff cannot discover the pipeline blockage in time, resulting in the problem cannot be dealt with in the first time, affecting the normal use of the pipeline water supply.

[0005] Therefore, it is necessary to provide a new negative pressure-free silent water supply device to solve the above technical problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a negative pressure-free silent water supply device.

[0007] The non-negative pressure silent water supply device provided by the utility model comprises a base, a water supply device and a water supply main pipe connected to the water supply device, the water supply device is installed on the top of the base, the outer surface of the water supply main pipe is connected with a water supply branch pipe in an integrated manner, the water supply main pipe and the other end of the water supply branch pipe are commonly connected with a water supply pipe, the water supply branch pipe and the water supply main pipe are respectively connected with two tee pipes of the same structure through flanges, and both ends of the water supply main pipe and the water supply branch pipe are provided with control valves;

[0008] The water outlet at the bottom of the three-way pipe is threadedly connected to a transparent filter bottom cover, the inner cavity of the three-way pipe is provided with a water baffle, and the three-way pipe chamber is divided into two independent cavities by the water baffle. A filter plate is provided in the filter bottom cover, and the filter plate is threadedly connected to the inner wall of the filter bottom cover, and the filter plate is in contact with the bottom of the water baffle.

[0009] Furthermore, the water supply device includes a water storage tank, a water pump, a water outlet pipe and a pressure tank. The top of the water storage tank is connected to a water inlet pipe, the bottom of the water storage tank is connected to the water outlet pipe, the surface of the water outlet pipe is respectively connected to the water pump and the pressure tank, and the end of the water outlet pipe is connected to a water supply pipe, and the inner cavity of the water supply pipe is connected to the inner cavity of the water supply main pipe.

[0010] Furthermore, the water outlet pipe includes a connecting pipe and two relative water distribution pipes, the connecting pipe is connected to the inner cavity of the water storage tank, the two ends of the two water distribution pipes are respectively connected to the connecting pipe and the inner cavity of the water delivery pipe, the two water distribution pipes are provided with water pumps, and the pressure tank is located on the connecting pipe.

[0011] Furthermore, a support frame is provided on the outer surface of the water supply branch pipe, and the support frame is fixedly installed on the top of the base.

[0012] Furthermore, the water storage tank and the water delivery pipe are both provided with pressure gauges for detecting internal pressure, and a negative pressure suppressor is also provided on the top of the water storage tank.

[0013] Furthermore, a fixing frame is fixed to the bottom of the water storage tank, and the fixing frame is fixedly installed on the top of the base.

[0014] Furthermore, the filter plate corresponds to the size of the water outlet at the bottom of the tee, and the inner wall of the filter bottom cover is an internal thread, the surface of the bottom of the tee is an external thread, and the internal thread of the filter bottom cover is threadedly matched with the external thread section of the tee.

[0015] Compared with the related art, the non-negative pressure silent water supply device provided by the utility model has the following beneficial effects:

[0016] 1. Close the control valve on the surface of the water supply main pipe, and the water flows into the water supply pipe through the water supply branch pipe. Close the control valve on the surface of the water supply branch pipe, and the water flows into the water supply pipe through the water supply main pipe. When one of the pipes is blocked or needs to be cleaned, close the control valve on one of the pipes for maintenance without stopping the entire equipment, further avoiding problems that affect normal water supply.

[0017] 2. Impurities in the water are filtered through the filter plate, and the transparent filter bottom cover allows personnel to better observe the internal water flow conditions and detect blockages in time. In addition, the threaded filter bottom cover is easy to disassemble and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the non-negative pressure silent water supply device provided by the utility model;

[0019] Figure 2 A schematic diagram of the cross-sectional structure of the water supply main pipeline and the water supply branch pipeline provided by the utility model;

[0020] Figure 3 for Figure 2 The enlarged structural schematic diagram of A shown;

[0021] Figure 4 The overall structural diagram of the water supply device provided by the utility model;

[0022] Figure 5 This is a schematic cross-sectional structural diagram of a water supply device provided by the utility model.

[0023] Numbers in the figure: 1. Base; 2. Water supply main pipeline; 3. Water supply branch pipeline; 4. Water supply pipe; 5. Tee pipe; 6. Control valve; 7. Filter bottom cover; 8. Water baffle; 9. Filter plate; 10. Water storage tank; 11. Water pump; 12. Water outlet pipe; 13. Pressure tank; 14. Water inlet pipe; 15. Water delivery pipe; 16. Support frame; 17. Pressure gauge; 18. Negative pressure suppressor; 19. Fixed frame. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 ,in, Figure 1 This is a schematic diagram of the overall structure of the non-negative pressure silent water supply device provided by the utility model; Figure 2 A schematic diagram of the cross-sectional structure of the water supply main pipeline and the water supply branch pipeline provided by the utility model; Figure 3 for Figure 2 The enlarged structural schematic diagram of A shown; Figure 4 The overall structural diagram of the water supply device provided by the utility model; Figure 5 This is a schematic cross-sectional structural diagram of a water supply device provided by the utility model.

[0026] In the specific implementation process, Figure 1-Figure 5As shown, the negative pressure-free silent water supply device comprises a base 1, a water supply device and a water supply main pipe 2 connected to the water supply device. The water supply device is installed on the top of the base 1. The outer surface of the water supply main pipe 2 is integrally connected with a water supply branch pipe 3. The other end of the water supply main pipe 2 and the water supply branch pipe are commonly connected with a water supply pipe 4. The water supply branch pipe 3 and the water supply main pipe 2 are respectively connected with two tee pipes 5 of the same structure through flanges. Both ends of the water supply main pipe 2 and the water supply branch pipe are provided with control valves 6. The outer surface of the water supply branch pipe 3 is also provided with a support frame 16. The support frame 16 Fixedly installed on the top of the base 1, water flows through the water supply main pipe 2 into the water supply branch pipe, and the control valve 6 set on the surface of the two can be opened separately, for example: close the control valve 6 on the surface of the water supply main pipe 2, water flows through the water supply branch pipe into the water supply pipe 4, close the control valve 6 on the surface of the water supply branch pipe, water flows through the water supply main pipe 2 into the water supply pipe 4, when one of the pipes is blocked or needs to be cleaned, close the control valve 6 on one of the pipes for maintenance, without stopping the entire equipment, further avoiding problems affecting normal water supply;

[0027] It should be noted that the control valve 6 can be a manual butterfly valve or a solenoid valve, wherein the solenoid valve is preferred. When the solenoid valve is energized, the inner cavity of the pipeline is in a connected state.

[0028] The water outlet at the bottom of the tee pipe 5 is threadedly connected with a transparent filter bottom cover 7, the inner cavity of the tee pipe 5 is provided with a water baffle 8, the chamber of the tee pipe 5 is divided into two independent cavities by the water baffle 8, a filter plate 9 is provided in the filter bottom cover 7, the filter plate 9 is threadedly connected with the inner wall of the filter bottom cover 7, and the filter plate 9 fits with the bottom of the water baffle 8, the filter plate 9 corresponds to the size of the water outlet at the bottom of the tee pipe 5, and the inner side wall of the filter bottom cover 7 is an internal thread, the surface of the bottom of the tee pipe 5 is an external thread, and the internal thread of the filter bottom cover 7 is threadedly matched with the external thread section of the tee pipe 5;

[0029] It should be noted that the water baffle 8 is welded and fixed to the inner wall of the tee pipe 5, and the water baffle 8 is used to drain the water flow in the pipeline, so that the water flows through the filter bottom cover 7 and filters the impurities in the water through the filter plate 9. The transparent filter bottom cover 7 is convenient for personnel to better observe the internal water flow and find blockage in time. In addition, the threaded filter bottom cover 7 is easy to disassemble and repair;

[0030] The water supply device includes a water storage tank 10, a water pump 11, a water outlet pipe 12 and a pressure tank 13. The top of the water storage tank 10 is connected to a water inlet pipe 14, the bottom of the water storage tank 10 is connected to the water outlet pipe 12, the surface of the water outlet pipe 12 is respectively connected to the water pump 11 and the pressure tank 13, and the end of the water outlet pipe 12 is connected to a water delivery pipe 15, the inner cavity of the water delivery pipe 15 is connected to the inner cavity of the water supply main pipeline 2, the water pump 11 pumps water out of the water storage tank 10 through the water outlet pipe 12, and delivers it through the water delivery pipe 15;

[0031] Specifically, the water inlet pipe 14 is connected to an external water source, and the external water source is input into the water storage tank 10 by means of pressurization;

[0032] The water outlet pipe 12 includes a connecting pipe and two opposite water distribution pipes. The connecting pipe is connected to the inner cavity of the water storage tank 10. The two ends of the two water distribution pipes are respectively connected to the connecting pipe and the inner cavity of the water supply pipe 15. Water pumps 11 are provided on the two water distribution pipes, and the pressure tank 13 is located on the connecting pipe.

[0033] The water tank 10 and the water supply pipe 15 are both provided with a pressure gauge 17 for detecting the internal pressure. The pressure gauge 17 can be of model YTP100BFML. A negative pressure suppressor 18 is also provided on the top of the water tank 10. The water tank 10 and the negative pressure suppressor 18 can refer to the non-negative pressure water supply equipment of model YDWL-600. A fixing frame 19 is fixed to the bottom of the water tank 10, and the fixing frame 19 is fixedly installed on the top of the base 1.

[0034] The working principle provided by the utility model is as follows: the water pump 11 draws out the water in the water storage tank 10 through the water outlet pipe 12 and transports it through the water supply pipe 15, closes the control valve 6 on the surface of the water supply main pipe 2, and the water flows into the water supply pipe 4 through the water supply branch pipe, closes the control valve 6 on the surface of the water supply branch pipe, and the water flows into the water supply pipe 4 through the water supply main pipe 2. When one of the pipes is blocked or needs to be cleaned, close the control valve 6 on one of the pipes for maintenance without stopping the entire equipment, further avoiding problems affecting normal water supply.

[0035] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0036] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Non-negative pressure silent water supply device, characterized in that: It comprises a base (1), a water supply device and a water supply main pipe (2) connected to the water supply device, the water supply device being installed on the top of the base (1), the outer surface of the water supply main pipe (2) being integrally connected to a water supply branch pipe (3), the water supply main pipe (2) and the other end of the water supply branch pipe being commonly connected to a water supply pipe (4), the water supply branch pipe (3) and the water supply main pipe (2) being respectively connected to two tees (5) of the same structure via flanges, and control valves (6) being provided at both ends of the water supply main pipe (2) and the water supply branch pipe; The water outlet at the bottom of the three-way pipe (5) is threadedly connected to a transparent filter bottom cover (7); the inner cavity of the three-way pipe (5) is provided with a water baffle (8); the chamber of the three-way pipe (5) is divided into two independent cavities by the water baffle (8); a filter plate (9) is provided in the filter bottom cover (7); the filter plate (9) is threadedly connected to the inner wall of the filter bottom cover (7), and the filter plate (9) is in contact with the bottom of the water baffle (8).

2. The non-negative pressure silent water supply device according to claim 1, characterized in that: The water supply device comprises a water storage tank (10), a water pump (11), a water outlet pipe (12) and a pressure tank (13); the top of the water storage tank (10) is connected to a water inlet pipe (14); the bottom of the water storage tank (10) is connected to the water outlet pipe (12); the surface of the water outlet pipe (12) is respectively connected to the water pump (11) and the pressure tank (13); the end of the water outlet pipe (12) is connected to a water supply pipe (15); the inner cavity of the water supply pipe (15) is connected to the inner cavity of the water supply main pipe (2).

3. The non-negative pressure silent water supply device according to claim 2, characterized in that: The water outlet pipe (12) comprises a connecting pipe and two opposite water distribution pipes, the connecting pipe is connected to the inner cavity of the water storage tank (10), the two ends of the two water distribution pipes are respectively connected to the connecting pipe and the inner cavity of the water supply pipe (15), the two water distribution pipes are each provided with a water pump (11), and the pressure tank (13) is located on the connecting pipe.

4. The non-negative pressure silent water supply device according to claim 3, characterized in that: The outer surface of the water supply branch pipe (3) is also provided with a support frame (16), and the support frame (16) is fixedly mounted on the top of the base (1).

5. The non-negative pressure silent water supply device according to claim 4, characterized in that: The water storage tank (10) and the water delivery pipe (15) are both provided with a pressure gauge (17) for detecting the internal pressure, and the top of the water storage tank (10) is also provided with a negative pressure suppressor (18).

6. The non-negative pressure silent water supply device according to claim 5, characterized in that: A fixing frame (19) is fixed to the bottom of the water storage tank (10), and the fixing frame (19) is fixedly mounted on the top of the base (1).

7. The non-negative pressure silent water supply device according to claim 6, characterized in that: The filter plate (9) corresponds to the size of the water outlet at the bottom of the three-way pipe (5), the inner wall of the filter bottom cover (7) is internally threaded, the surface of the bottom of the three-way pipe (5) is externally threaded, and the internal thread of the filter bottom cover (7) is threadably matched with the external thread section of the three-way pipe (5).

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